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Re: The Helical Path Paradox

From Sylvia Else <sylvia@email.invalid>
Newsgroups sci.physics.relativity
Subject Re: The Helical Path Paradox
Date 2023-12-14 08:42 +1100
Message-ID <ktumq8Fs8psU2@mid.individual.net> (permalink)
References <500ab0c4-e0fd-4dd9-8e00-6654a154e0cen@googlegroups.com> <ktt9krFi5muU1@mid.individual.net> <myh1ZN0cYChxNx75f1BAqGEN5eE@jntp>

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On 14-Dec-23 3:03 am, Richard Hachel wrote:
> Le 13/12/2023 à 09:51, Sylvia Else a écrit :
>> On 12-Dec-23 5:19 pm, patdolan wrote:
>>> Proxima Centauri is 4.2 light-years away from Big Ben. Two distant
>>> observers A and B are racing past Proxima Centauri on their way to
>>> Big Ben at .867c relative to the Big Ben--Proxima Centauri frame of
>>> reference. For these two observers Proxima Centauri and Big Ben are
>>> only 2.1 light-years apart due to Lorentz contraction. Both observers
>>> also note that the little hand of Big Ben rotates only 365.25 times
>>> per year of their proper time instead of 730.5 rotations, due to
>>> Lorentz time dilation. Now this slowing of Big Ben is not some
>>> illusion or artifact of speed. SR assures us that Big Ben REALLY IS
>>> RUNNING SLOWER in their frame of reference.
>>>
>>> Just as observer A passes Proxima Centauri he begins to count the
>>> 365.25 x 2.1 = 767 turns in the helical path of light emanating from
>>> the tip of Big Ben's little hand, which lie between Big Ben and
>>> Proxima Centauri at any given moment in that frame of reference. He
>>> also counts the 2.42 x 365.25 = 884 additional turns that Big Ben
>>> produces during the rest of his 2.42 year journey to Big Ben, for a
>>> total of 1651 turns during the entire trip.
> 
> 
> This is an interesting problem.
> So I will answer it.
> This will change all the relativistic nonsense that I notice on the 
> English and French forums in general,
> where absolutely no one understands the theory correctly.
> 
> 
> 
>> The observer has to consider where Big Ben was in his frame when the 
>> light he's just seeing set out. Big Ben is now 2.1 light years away in 
>> his frame, but it is moving, and the light has taken some time to 
>> arrive, so the light he's just seen must have left Big Ben when it was 
>> more than 2.1 light years away.
>>
>> If we let the distance away that Big Ben was when the light departed 
>> be d, we can see that the time that Big Ben took to get from distance 
>> d to its present position of 2.1 light years must equal the time it 
>> took for the light to get from distance d to the observer. That is:
>>
>> (d - 2.1) / v = d / c
>>
>> where v = is 0.867c, and c = 1.
>>
>> (d - 2.1) / 0.867 = d / 1
>>
>> d - 2.1 = 0.867 * d
>>
>> d * (1 - 0.867) = 2.1
>>
>> d = 2.1 / ( 1 - 0.867)
>>
>> d = 15.79
>>
>> So in the observer's frame the light has taken 15.79 years to arrive, 
>> and there are many more than 2.1 years worth of rotations between Big 
>> Ben and the observer.
>>
>> Sylvia.
> 
> 
> Everything you say seems very interesting, even logical.
> Only, my very dear and remarkable Sylvia, like everyone else, you do 
> mathematical physics, but abstractly.
> The universe is not made LIKE THAT.
> 
> R.H.

This thread is about the theory of special relativity. Pat has alleged 
that it contains a contradiction, because he got the math wrong.

Whether the theory properly describes the universe is a separate issue.

Sylvia.

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Thread

The Helical Path Paradox patdolan <patdolan@comcast.net> - 2023-12-11 22:19 -0800
  Re: The Helical Path Paradox patdolan <patdolan@comcast.net> - 2023-12-12 11:28 -0800
    Re: The Helical Path Paradox patdolan <patdolan@comcast.net> - 2023-12-12 17:55 -0800
  Re: The Helical Path Paradox Sylvia Else <sylvia@email.invalid> - 2023-12-13 19:51 +1100
    Re: The Helical Path Paradox patdolan <patdolan@comcast.net> - 2023-12-13 05:12 -0800
      Re: The Helical Path Paradox Sylvia Else <sylvia@email.invalid> - 2023-12-14 08:40 +1100
    Re: The Helical Path Paradox Maciej Wozniak <maluwozniak@gmail.com> - 2023-12-13 05:19 -0800
    Re: The Helical Path Paradox Ryker Habibulaev Balanda <enaa@brdaaeea.ye> - 2023-12-13 13:32 +0000
    Re: The Helical Path Paradox Richard Hachel <r.hachel@frite.fr> - 2023-12-13 16:03 +0000
      Re: The Helical Path Paradox patdolan <patdolan@comcast.net> - 2023-12-13 09:50 -0800
      Re: The Helical Path Paradox Sylvia Else <sylvia@email.invalid> - 2023-12-14 08:42 +1100
        Re: The Helical Path Paradox Richard Hachel <r.hachel@frite.fr> - 2023-12-13 22:32 +0000
        Re: The Helical Path Paradox patdolan <patdolan@comcast.net> - 2023-12-13 16:22 -0800
          Re: The Helical Path Paradox Sylvia Else <sylvia@email.invalid> - 2023-12-14 11:30 +1100
            Re: The Helical Path Paradox patdolan <patdolan@comcast.net> - 2023-12-13 16:52 -0800
              Re: The Helical Path Paradox Sylvia Else <sylvia@email.invalid> - 2023-12-14 11:56 +1100
            Re: The Helical Path Paradox Richard Hachel <r.hachel@frite.fr> - 2023-12-14 00:55 +0000
              Re: The Helical Path Paradox Sylvia Else <sylvia@email.invalid> - 2023-12-14 12:02 +1100
                Re: The Helical Path Paradox Richard Hachel <r.hachel@frite.fr> - 2023-12-14 01:27 +0000
                Re: The Helical Path Paradox Sylvia Else <sylvia@email.invalid> - 2023-12-14 12:58 +1100
                Re: The Helical Path Paradox Athel Cornish-Bowden <me@yahoo.com> - 2023-12-14 13:56 +0100
                Re: The Helical Path Paradox Richard Hachel <r.hachel@frite.fr> - 2023-12-14 14:45 +0000
                Re: The Helical Path Paradox Athel Cornish-Bowden <me@yahoo.com> - 2023-12-14 18:17 +0100
                Re: The Helical Path Paradox patdolan <patdolan@comcast.net> - 2023-12-14 10:03 -0800
            Re: The Helical Path Paradox Maciej Wozniak <maluwozniak@gmail.com> - 2023-12-13 17:00 -0800
    Re: The Helical Path Paradox patdolan <patdolan@comcast.net> - 2023-12-14 12:07 -0800
      Re: The Helical Path Paradox patdolan <patdolan@comcast.net> - 2023-12-14 12:49 -0800
      Re: The Helical Path Paradox Sylvia Else <sylvia@email.invalid> - 2023-12-15 11:10 +1100
        Re: The Helical Path Paradox patdolan <patdolan@comcast.net> - 2023-12-14 19:21 -0800
        Re: The Helical Path Paradox patdolan <patdolan@comcast.net> - 2023-12-14 19:23 -0800
        Re: The Helical Path Paradox patdolan <patdolan@comcast.net> - 2023-12-14 19:33 -0800
          Re: The Helical Path Paradox Sylvia Else <sylvia@email.invalid> - 2023-12-15 15:07 +1100
            Re: The Helical Path Paradox patdolan <patdolan@comcast.net> - 2023-12-14 20:40 -0800
              Re: The Helical Path Paradox Sylvia Else <sylvia@email.invalid> - 2023-12-15 16:07 +1100
                Re: The Helical Path Paradox patdolan <patdolan@comcast.net> - 2023-12-15 00:26 -0800
                Re: The Helical Path Paradox Sylvia Else <sylvia@email.invalid> - 2023-12-15 19:45 +1100
                Re: The Helical Path Paradox "Paul B. Andersen" <relativity@paulba.no> - 2023-12-15 14:45 +0100
                Re: The Helical Path Paradox patdolan <patdolan@comcast.net> - 2023-12-15 12:06 -0800
                Re: The Helical Path Paradox "Paul B. Andersen" <relativity@paulba.no> - 2023-12-16 10:24 +0100
                Re: The Helical Path Paradox Maciej Wozniak <maluwozniak@gmail.com> - 2023-12-16 01:47 -0800
            Re: The Helical Path Paradox Maciej Wozniak <maluwozniak@gmail.com> - 2023-12-15 13:37 -0800
    Re: The Helical Path Paradox patdolan <patdolan@comcast.net> - 2023-12-16 13:20 -0800
      Re: The Helical Path Paradox patdolan <patdolan@comcast.net> - 2023-12-17 16:13 -0800
        Re: The Helical Path Paradox Sylvia Else <sylvia@email.invalid> - 2023-12-18 11:25 +1100
          Re: The Helical Path Paradox patdolan <patdolan@comcast.net> - 2023-12-17 16:48 -0800
            Re: The Helical Path Paradox Sylvia Else <sylvia@email.invalid> - 2023-12-18 13:09 +1100
              Re: The Helical Path Paradox patdolan <patdolan@comcast.net> - 2023-12-17 18:31 -0800
                Re: The Helical Path Paradox Sylvia Else <sylvia@email.invalid> - 2023-12-18 14:14 +1100
                Re: The Helical Path Paradox Maciej Wozniak <maluwozniak@gmail.com> - 2023-12-18 06:29 -0800
        Re: The Helical Path Paradox "Paul B. Andersen" <relativity@paulba.no> - 2023-12-18 20:43 +0100
    Re: The Helical Path Paradox patdolan <patdolan@comcast.net> - 2023-12-18 06:19 -0800
      Re: The Helical Path Paradox Sylvia Else <sylvia@email.invalid> - 2023-12-19 09:59 +1100
        Re: The Helical Path Paradox patdolan <patdolan@comcast.net> - 2023-12-18 15:28 -0800
          Re: The Helical Path Paradox Sylvia Else <sylvia@email.invalid> - 2023-12-19 11:01 +1100
            Re: The Helical Path Paradox Richard Hachel <r.hachel@tiscali.fr> - 2023-12-19 10:28 +0000
              Re: The Helical Path Paradox Sylvia Else <sylvia@email.invalid> - 2023-12-19 21:37 +1100
          Re: The Helical Path Paradox Volney <volney@invalid.invalid> - 2023-12-19 01:03 -0500
        Re: The Helical Path Paradox Maciej Wozniak <maluwozniak@gmail.com> - 2023-12-18 21:17 -0800
  Re: The Helical Path Paradox "Paul B. Andersen" <relativity@paulba.no> - 2023-12-15 14:45 +0100
    Re: The Helical Path Paradox patdolan <patdolan@comcast.net> - 2023-12-15 11:28 -0800
      Re: The Helical Path Paradox "Paul B. Andersen" <relativity@paulba.no> - 2023-12-16 10:24 +0100

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